<template>
  <div class="user-container">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right" >
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card class="box-card" style="margin-top: 15px;">
      <div style="margin-top: 15px;">
        <!-- 2. 为ECharts准备一个具备大小（宽高）的Dom -->
        <div id="main" style="width: 750px;height:400px;"></div>
      </div>
    </el-card>
  </div>
</template>
           
<script>
// 1. 导入 echarts
import echarts from "echarts";
import { reports_api } from "@/api";

import _ from "lodash";
export default {
  data() {
    return {
      // 需要合并的数据
      options: {
        title: {
          text: "用户来源",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3",
            },
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
      },
    };
  },
  created() {
    //console.log(44444);
    this.getData();
  },
  methods: {
    async getData() {
      const { data: res } = await reports_api();
      this.options = _.merge(res.data, this.options);
      // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById("main"));
      //使用刚指定的配置项和数据显示图表。
      myChart.setOption(this.options);
    },
  },
};
</script>
<style scoped>
</style>